KVM: PPC: MPIC: Add support for KVM_IRQ_LINE

Now that all pieces are in place for reusing generic irq infrastructure,
we can copy x86's implementation of KVM_IRQ_LINE irq injection and simply
reuse it for PPC, as it will work there just as well.

Signed-off-by: Alexander Graf <agraf@suse.de>

arch/powerpc/include/uapi/asm/kvm.h

@@ -26,6 +26,7 @@
 #define __KVM_HAVE_SPAPR_TCE
 #define __KVM_HAVE_PPC_SMT
 #define __KVM_HAVE_IRQCHIP
+#define __KVM_HAVE_IRQ_LINE
 
 struct kvm_regs {
 	__u64 pc;